invidious/src/invidious/videos.cr

513 行
19 KiB
Crystal
Raw 通常表示 履歴

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CAPTION_LANGUAGES = {
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"",
"English",
"English (auto-generated)",
"Afrikaans",
"Albanian",
"Amharic",
"Arabic",
"Armenian",
"Azerbaijani",
"Bangla",
"Basque",
"Belarusian",
"Bosnian",
"Bulgarian",
"Burmese",
"Catalan",
"Cebuano",
"Chinese (Simplified)",
"Chinese (Traditional)",
"Corsican",
"Croatian",
"Czech",
"Danish",
"Dutch",
"Esperanto",
"Estonian",
"Filipino",
"Finnish",
"French",
"Galician",
"Georgian",
"German",
"Greek",
"Gujarati",
"Haitian Creole",
"Hausa",
"Hawaiian",
"Hebrew",
"Hindi",
"Hmong",
"Hungarian",
"Icelandic",
"Igbo",
"Indonesian",
"Irish",
"Italian",
"Japanese",
"Javanese",
"Kannada",
"Kazakh",
"Khmer",
"Korean",
"Kurdish",
"Kyrgyz",
"Lao",
"Latin",
"Latvian",
"Lithuanian",
"Luxembourgish",
"Macedonian",
"Malagasy",
"Malay",
"Malayalam",
"Maltese",
"Maori",
"Marathi",
"Mongolian",
"Nepali",
"Norwegian",
"Nyanja",
"Pashto",
"Persian",
"Polish",
"Portuguese",
"Punjabi",
"Romanian",
"Russian",
"Samoan",
"Scottish Gaelic",
"Serbian",
"Shona",
"Sindhi",
"Sinhala",
"Slovak",
"Slovenian",
"Somali",
"Southern Sotho",
"Spanish",
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"Spanish (Latin America)",
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"Sundanese",
"Swahili",
"Swedish",
"Tajik",
"Tamil",
"Telugu",
"Thai",
"Turkish",
"Ukrainian",
"Urdu",
"Uzbek",
"Vietnamese",
"Welsh",
"Western Frisian",
"Xhosa",
"Yiddish",
"Yoruba",
"Zulu",
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}
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VIDEO_THUMBNAILS = {
{name: "default", url: "default", height: 90, width: 120},
{name: "medium", url: "mqdefault", height: 180, width: 320},
{name: "high", url: "hqdefault", height: 360, width: 480},
{name: "sddefault", url: "sddefault", height: 480, width: 640},
{name: "maxresdefault", url: "maxresdefault", height: 1280, width: 720},
{name: "start", url: "1", height: 90, width: 120},
{name: "middle", url: "2", height: 90, width: 120},
{name: "end", url: "3", height: 90, width: 120},
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}
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# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L380-#L476
VIDEO_FORMATS = {
"5" => {"ext" => "flv", "width" => 400, "height" => 240, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
"6" => {"ext" => "flv", "width" => 450, "height" => 270, "acodec" => "mp3", "abr" => 64, "vcodec" => "h263"},
"13" => {"ext" => "3gp", "acodec" => "aac", "vcodec" => "mp4v"},
"17" => {"ext" => "3gp", "width" => 176, "height" => 144, "acodec" => "aac", "abr" => 24, "vcodec" => "mp4v"},
"18" => {"ext" => "mp4", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 96, "vcodec" => "h264"},
"22" => {"ext" => "mp4", "width" => 1280, "height" => 720, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"34" => {"ext" => "flv", "width" => 640, "height" => 360, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"35" => {"ext" => "flv", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"36" => {"ext" => "3gp", "width" => 320, "acodec" => "aac", "vcodec" => "mp4v"},
"37" => {"ext" => "mp4", "width" => 1920, "height" => 1080, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"38" => {"ext" => "mp4", "width" => 4096, "height" => 3072, "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"43" => {"ext" => "webm", "width" => 640, "height" => 360, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
"44" => {"ext" => "webm", "width" => 854, "height" => 480, "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
"45" => {"ext" => "webm", "width" => 1280, "height" => 720, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
"46" => {"ext" => "webm", "width" => 1920, "height" => 1080, "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
"59" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"78" => {"ext" => "mp4", "width" => 854, "height" => 480, "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
# 3D videos
"82" => {"ext" => "mp4", "height" => 360, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"83" => {"ext" => "mp4", "height" => 480, "format" => "3D", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"84" => {"ext" => "mp4", "height" => 720, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"85" => {"ext" => "mp4", "height" => 1080, "format" => "3D", "acodec" => "aac", "abr" => 192, "vcodec" => "h264"},
"100" => {"ext" => "webm", "height" => 360, "format" => "3D", "acodec" => "vorbis", "abr" => 128, "vcodec" => "vp8"},
"101" => {"ext" => "webm", "height" => 480, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
"102" => {"ext" => "webm", "height" => 720, "format" => "3D", "acodec" => "vorbis", "abr" => 192, "vcodec" => "vp8"},
# Apple HTTP Live Streaming
"91" => {"ext" => "mp4", "height" => 144, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
"92" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
"93" => {"ext" => "mp4", "height" => 360, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"94" => {"ext" => "mp4", "height" => 480, "format" => "HLS", "acodec" => "aac", "abr" => 128, "vcodec" => "h264"},
"95" => {"ext" => "mp4", "height" => 720, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
"96" => {"ext" => "mp4", "height" => 1080, "format" => "HLS", "acodec" => "aac", "abr" => 256, "vcodec" => "h264"},
"132" => {"ext" => "mp4", "height" => 240, "format" => "HLS", "acodec" => "aac", "abr" => 48, "vcodec" => "h264"},
"151" => {"ext" => "mp4", "height" => 72, "format" => "HLS", "acodec" => "aac", "abr" => 24, "vcodec" => "h264"},
# DASH mp4 video
"133" => {"ext" => "mp4", "height" => 240, "format" => "DASH video", "vcodec" => "h264"},
"134" => {"ext" => "mp4", "height" => 360, "format" => "DASH video", "vcodec" => "h264"},
"135" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
"136" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264"},
"137" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264"},
"138" => {"ext" => "mp4", "format" => "DASH video", "vcodec" => "h264"}, # Height can vary (https=>//github.com/rg3/youtube-dl/issues/4559)
"160" => {"ext" => "mp4", "height" => 144, "format" => "DASH video", "vcodec" => "h264"},
"212" => {"ext" => "mp4", "height" => 480, "format" => "DASH video", "vcodec" => "h264"},
"264" => {"ext" => "mp4", "height" => 1440, "format" => "DASH video", "vcodec" => "h264"},
"298" => {"ext" => "mp4", "height" => 720, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
"299" => {"ext" => "mp4", "height" => 1080, "format" => "DASH video", "vcodec" => "h264", "fps" => 60},
"266" => {"ext" => "mp4", "height" => 2160, "format" => "DASH video", "vcodec" => "h264"},
# Dash mp4 audio
"139" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 48, "container" => "m4a_dash"},
"140" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 128, "container" => "m4a_dash"},
"141" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "abr" => 256, "container" => "m4a_dash"},
"256" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
"258" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "aac", "container" => "m4a_dash"},
"325" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "dtse", "container" => "m4a_dash"},
"328" => {"ext" => "m4a", "format" => "DASH audio", "acodec" => "ec-3", "container" => "m4a_dash"},
# Dash webm
"167" => {"ext" => "webm", "height" => 360, "width" => 640, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"168" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"169" => {"ext" => "webm", "height" => 720, "width" => 1280, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"170" => {"ext" => "webm", "height" => 1080, "width" => 1920, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"218" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"219" => {"ext" => "webm", "height" => 480, "width" => 854, "format" => "DASH video", "container" => "webm", "vcodec" => "vp8"},
"278" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "container" => "webm", "vcodec" => "vp9"},
"242" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9"},
"243" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9"},
"244" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
"245" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
"246" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9"},
"247" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9"},
"248" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9"},
"271" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9"},
# itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug)
"272" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
"302" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"303" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"308" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"313" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9"},
"315" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"330" => {"ext" => "webm", "height" => 144, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"331" => {"ext" => "webm", "height" => 240, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"332" => {"ext" => "webm", "height" => 360, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"333" => {"ext" => "webm", "height" => 480, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"334" => {"ext" => "webm", "height" => 720, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"335" => {"ext" => "webm", "height" => 1080, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"336" => {"ext" => "webm", "height" => 1440, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
"337" => {"ext" => "webm", "height" => 2160, "format" => "DASH video", "vcodec" => "vp9", "fps" => 60},
# Dash webm audio
"171" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 128},
"172" => {"ext" => "webm", "acodec" => "vorbis", "format" => "DASH audio", "abr" => 256},
# Dash webm audio with opus inside
"249" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 50},
"250" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 70},
"251" => {"ext" => "webm", "format" => "DASH audio", "acodec" => "opus", "abr" => 160},
}
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class Video
module HTTPParamConverter
def self.from_rs(rs)
HTTP::Params.parse(rs.read(String))
end
end
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def fmt_stream(decrypt_function)
streams = [] of HTTP::Params
self.info["url_encoded_fmt_stream_map"].split(",") do |string|
if !string.empty?
streams << HTTP::Params.parse(string)
end
end
streams.each { |s| s.add("label", "#{s["quality"]} - #{s["type"].split(";")[0].split("/")[1]}") }
streams = streams.uniq { |s| s["label"] }
if streams[0]? && streams[0]["s"]?
streams.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
return streams
end
def adaptive_fmts(decrypt_function)
adaptive_fmts = [] of HTTP::Params
if self.info.has_key?("adaptive_fmts")
self.info["adaptive_fmts"].split(",") do |string|
adaptive_fmts << HTTP::Params.parse(string)
end
end
if adaptive_fmts[0]? && adaptive_fmts[0]["s"]?
adaptive_fmts.each do |fmt|
fmt["url"] += "&signature=" + decrypt_signature(fmt["s"], decrypt_function)
end
end
return adaptive_fmts
end
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def video_streams(adaptive_fmts)
video_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("video") ? s : nil }
return video_streams
end
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def audio_streams(adaptive_fmts)
audio_streams = adaptive_fmts.compact_map { |s| s["type"].starts_with?("audio") ? s : nil }
audio_streams.sort_by! { |s| s["bitrate"].to_i }.reverse!
audio_streams.each do |stream|
stream["bitrate"] = (stream["bitrate"].to_f64/1000).to_i.to_s
end
return audio_streams
end
def captions
player_response = JSON.parse(self.info["player_response"])
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captions = [] of Caption
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if player_response["captions"]?
caption_list = player_response["captions"]["playerCaptionsTracklistRenderer"]["captionTracks"]?.try &.as_a
caption_list ||= [] of JSON::Any
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caption_list.each do |caption|
caption = Caption.from_json(caption.to_json)
caption.name.simpleText = caption.name.simpleText.split(" - ")[0]
captions << caption
end
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end
return captions
end
def short_description
description = self.description.gsub("<br>", " ")
description = description.gsub("<br/>", " ")
description = XML.parse_html(description).content[0..200].gsub('"', "&quot;").gsub("\n", " ").strip(" ")
if description.empty?
description = " "
end
return description
end
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add_mapping({
id: String,
info: {
type: HTTP::Params,
default: HTTP::Params.parse(""),
converter: Video::HTTPParamConverter,
},
updated: Time,
title: String,
views: Int64,
likes: Int32,
dislikes: Int32,
wilson_score: Float64,
published: Time,
description: String,
language: String?,
author: String,
ucid: String,
allowed_regions: Array(String),
is_family_friendly: Bool,
genre: String,
})
end
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class Caption
JSON.mapping(
name: CaptionName,
baseUrl: String,
languageCode: String
)
end
class CaptionName
JSON.mapping(
simpleText: String,
)
end
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def get_video(id, db, refresh = true)
if db.query_one?("SELECT EXISTS (SELECT true FROM videos WHERE id = $1)", id, as: Bool)
video = db.query_one("SELECT * FROM videos WHERE id = $1", id, as: Video)
# If record was last updated over an hour ago, refresh (expire param in response lasts for 6 hours)
if refresh && Time.now - video.updated > 1.hour
begin
video = fetch_video(id)
video_array = video.to_a
args = arg_array(video_array[1..-1], 2)
db.exec("UPDATE videos SET (info,updated,title,views,likes,dislikes,wilson_score,\
published,description,language,author,ucid, allowed_regions, is_family_friendly, genre)\
= (#{args}) WHERE id = $1", video_array)
rescue ex
db.exec("DELETE FROM videos * WHERE id = $1", id)
raise ex
end
end
else
video = fetch_video(id)
video_array = video.to_a
args = arg_array(video_array)
db.exec("INSERT INTO videos VALUES (#{args}) ON CONFLICT (id) DO NOTHING", video_array)
end
return video
end
def fetch_video(id)
html_channel = Channel(XML::Node).new
info_channel = Channel(HTTP::Params).new
spawn do
client = make_client(YT_URL)
html = client.get("/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&disable_polymer=1")
html = XML.parse_html(html.body)
html_channel.send(html)
end
spawn do
client = make_client(YT_URL)
info = client.get("/get_video_info?video_id=#{id}&el=detailpage&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
info = HTTP::Params.parse(info.body)
if info["reason"]?
info = client.get("/get_video_info?video_id=#{id}&ps=default&eurl=&gl=US&hl=en&disable_polymer=1")
info = HTTP::Params.parse(info.body)
end
info_channel.send(info)
end
html = html_channel.receive
info = info_channel.receive
if info["reason"]?
raise info["reason"]
end
title = info["title"]
views = info["view_count"].to_i64
author = info["author"]
ucid = info["ucid"]
likes = html.xpath_node(%q(//button[@title="I like this"]/span))
likes = likes.try &.content.delete(",").try &.to_i
likes ||= 0
dislikes = html.xpath_node(%q(//button[@title="I dislike this"]/span))
dislikes = dislikes.try &.content.delete(",").try &.to_i
dislikes ||= 0
description = html.xpath_node(%q(//p[@id="eow-description"]))
description = description ? description.to_xml : ""
wilson_score = ci_lower_bound(likes, likes + dislikes)
published = html.xpath_node(%q(//meta[@itemprop="datePublished"])).not_nil!["content"]
published = Time.parse(published, "%Y-%m-%d", Time::Location.local)
allowed_regions = html.xpath_node(%q(//meta[@itemprop="regionsAllowed"])).not_nil!["content"].split(",")
is_family_friendly = html.xpath_node(%q(//meta[@itemprop="isFamilyFriendly"])).not_nil!["content"] == "True"
genre = html.xpath_node(%q(//meta[@itemprop="genre"])).not_nil!["content"]
video = Video.new(id, info, Time.now, title, views, likes, dislikes, wilson_score, published, description,
nil, author, ucid, allowed_regions, is_family_friendly, genre)
return video
end
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def itag_to_metadata?(itag : String)
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return VIDEO_FORMATS[itag]?
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end
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def process_video_params(query, preferences)
autoplay = query["autoplay"]?.try &.to_i?
video_loop = query["loop"]?.try &.to_i?
if preferences
autoplay ||= preferences.autoplay.to_unsafe
video_loop ||= preferences.video_loop.to_unsafe
end
autoplay ||= 0
autoplay = autoplay == 1
video_loop ||= 0
video_loop = video_loop == 1
if query["t"]?
video_start = decode_time(query["t"])
end
video_start ||= 0
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if query["time_continu"]?
video_start = decode_time(query["t"])
end
video_start ||= 0
if query["start"]?
video_start = decode_time(query["start"])
end
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if query["end"]?
video_end = decode_time(query["end"])
end
video_end ||= -1
if query["listen"]? && (query["listen"] == "true" || query["listen"] == "1")
listen = true
end
listen ||= false
raw = query["raw"]?.try &.to_i?
raw ||= 0
raw = raw == 1
quality = query["quality"]?
quality ||= "hd720"
controls = query["controls"]?.try &.to_i?
controls ||= 1
controls = controls == 1
return autoplay, video_loop, video_start, video_end, listen, raw, quality, controls
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end
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def generate_thumbnails(json, id)
json.array do
VIDEO_THUMBNAILS.each do |thumbnail|
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json.object do
json.field "quality", thumbnail[:name]
json.field "url", "https://i.ytimg.com/vi/#{id}/#{thumbnail["url"]}.jpg"
json.field "width", thumbnail[:width]
json.field "height", thumbnail[:height]
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end
end
end
end